Build on your existing programming skills and upskill to professional-level C# programming.

Summary
In Code Like A Pro in C# you will learn:

Unit testing and test-driven development
Refactor a legacy .NET codebase
Principles of clean code
Essential backend architecture skills
Query and manipulate databases with LINQ and Entity Framework Core

Critical business applications worldwide are written in the versatile C# language and the powerful .NET platform, running on desktops, cloud systems, and Windows or Linux servers. Code Like a Pro in C# makes it easy to turn your existing abilities in C# or another OO language (such as Java) into practical C# mastery. There’s no “Hello World” or Computer Science 101 basics—you’ll learn by refactoring an out-of-date legacy codebase, using new techniques, tools, and best practices to bring it up to modern C# standards.

Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

About the technology
You know the basics, now get ready for the next step! Pro-quality C# code is efficient, clean, and fast. Whether you’re building user-facing business applications or writing data-intensive backend services, the experience-based, practical techniques in this book will take your C# skills to a new level.

About the book
Code Like a Pro in C# teaches you to how write clean C# code that’s suitable for enterprise applications. In this book, you’ll refactor a legacy codebase by applying modern C# techniques. You’ll explore tools like Entity Framework Core, design techniques like dependency injection, and key practices like testing and clean coding. It’s a perfect path to upgrade your existing C# skills or shift from another OO language into C# and the .NET ecosystem.

What's inside

Unit testing and test-driven development
Refactor a legacy .NET codebase
Principles of clean code
Query and manipulate databases with LINQ and Entity Framework Core

About the reader
For developers experienced with object-oriented programming. No C# experience required.

About the author
Jort Rodenburg is a software engineer who has taught numerous courses on getting up to speed with C# and .NET.

Table of Contents

PART 1 USING C# AND .NET
1 Introducing C# and .NET
2 .NET and how it compiles
PART 2 THE EXISTING CODEBASE
3 How bad is this code?
4 Manage your unmanaged resources!
PART 3 THE DATABASE ACCESS LAYER
5 Setting up a project and database with Entity Framework Core
PART 4 THE REPOSITORY LAYER
6 Test-driven development and dependency injection
7 Comparing objects
8 Stubbing, generics, and coupling
9 Extension methods, streams, and abstract classes
PART 5 THE SERVICE LAYER
10 Reflection and mocks
11 Runtime type checking revisited and error handling
12 Using IAsyncEnumerable and yield return
PART 6 THE CONTROLLER LAYER
13 Middleware, HTTP routing, and HTTP responses
14 JSON serialization/deserialization and custom model binding